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Pressure, Winds, Storms, and Cyclones Science - Pressure, Winds, Storms, and Cyclones

Gujarat Board (GSEB) - STD 8 - Science (GSEB - English Medium). 108 questions in this chapter.

Question types

Pressure, Winds, Storms, and Cyclones question types

108 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

108
Questions
9
Question groups
5
Question types
Sample Questions

Pressure, Winds, Storms, and Cyclones questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q. [I MARKS]1 Mark
Two vessels, A and B, contain water up to the same level as shown in the Figure. PA and PB are the pressures at the bottom of the vessels. FA and FB are the forces exerted by the water at the bottom of the vessels A and B.
Image
  • A
    $P_A=P_B, F_A=F_B$
  • ✓
    $P_A = P_B, F_A < F_B$
  • C
    $P_A < P_B, F_A=F_B$
  • D
    $P_A > P_B, F_A > F_B$

Answer: B.

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Q 2M.C.Q. [I MARKS]1 Mark
A water tank is placed on the roof of a building at a height ‘H’. To get water with more pressure on the ground floor, one has to
  • ✓
    Increase the height ‘H’ at which the tank is placed.
  • B
    Decrease the height ‘H’ at which the tank is placed.
  • C
    Replace the tank with another tank of the same height that can hold more water.
  • D
    Replace the tank with another tank of the same height that can hold less water.

Answer: A.

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Q 3M.C.Q. [I MARKS]1 Mark
A rubber sucker (M) is pressed on a flat smooth surface, and an identical sucker (N) is pressed on a rough surface.
  • A
    Both M and N will stick to their surfaces
  • B
    Neither M nor N will stick to their surfaces
  • ✓
    M will stick, but N will not stick
  • D
    M will not stick, but N will stick

Answer: C.

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Q 4M.C.Q. [I MARKS]1 Mark
Look at the Figure carefully. Vessel R is filled with water. When pouring of water is stopped, the level of water will be __________
Image
  • A
    the highest in vessel P
  • B
    the highest in vessel Q
  • C
    the highest in vessel R
  • ✓
    equal in all three vessels

Answer: D.

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Q 20questions in short. [2 marks ]2 Marks
A thunderstorm under certain conditions becomes a cyclone. Factors like wind speed, wind direction, temperature, and humidity contribute to the development of a hurricane. Cyclones also occur frequently in tropical regions.
(a) What is a cyclone?
(b) Can a cyclone occur in Delhi? Give reasons.
(c) Which factors contribute to the development of a cyclone?
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Q 30questions in short. [3 marks ]3 Marks
What will happen to the two identical balloons A and B as shown in Figure when water is filled into the bottle up to a certain height? Will both the balloons bulge? If yes, will they bulge equally? Explain your answer.
Image
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Q 31questions in details [4 marks ]4 Marks
(1) Why are overhead tanks kept at a height?
(2) Suppose you are living on the second floor of a three-story building and an overhead tank is placed on the top floor. Will you or your friend on the first floor receive a more powerful stream of tap water? Give reasons.
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Q 33questions in details [4 marks ]4 Marks
There are two boats, A and B. Boat A has a base area of 7 m2, and 5 persons are seated in it. Boat B has a base area of 3.5 m2, and 3 persons are seating in it. If each person weighs 700 N, find out which boat will experience more pressure on its base and by how much?
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Q 40Match the Following.4 Marks
Clounm A Column B
Q.1. During a cyclone sea seawater rushes inland(a) Force per unit area
Q.2. India Meteorological Department(b) Atmosphere
Q.3. Normally, air acts as an electrical insulator(c) Contaminates drinking water sources and damages farmland
Q.4. The envelope of air around us(d)Updates on weather reports, predicts alerts, and issues warnings about cyclones
(e) It does not let opposite charges meet
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Q 41Match the Following.4 Marks
Column AColumn B
Q.1. Positive and negative charges are created in the cloud by(a) Atmospheric Pressure
Q.2. When positive and negative charges meet in clouds(b) Track cyclones and predict their path
Q.3. Weather monitoring satellites(c) Rubbing of strong winds blowing upwards and downwards
Q.4. The pressure exerted by air around us(d) They cause lightning
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